Amazon has put up a listing for the Amiibo End Level Display. If you are interested, the unique product is available for preorder with this link from the online retailer. Check out a picture of the latest item from Power A below this paragraph.
In total, the Power A Amiibo End Level Display can hold up to six figurines. It measures at 15 inches tall in addition to 18 inches wide.
Amiibo has been a huge success for Nintendo so far as it managed to sell millions of units in just several months of availability. With that said, some figurines (especially those from the lesser known Nintendo franchises) are very hard to find. If you are looking for a way to creatively display Amiibos, you might want to check out the End Level Display.